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# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from typing import Optional, TYPE_CHECKING
from PyQt5.QtCore import pyqtProperty
import UM.i18n
from UM.FlameProfiler import pyqtSlot
from UM.Settings.ContainerRegistry import ContainerRegistry
from UM.Settings.DefinitionContainer import DefinitionContainer
from cura.MachineAction import MachineAction
from cura.Settings.CuraStackBuilder import CuraStackBuilder
from cura.Settings.cura_empty_instance_containers import isEmptyContainer
if TYPE_CHECKING:
from PyQt5.QtCore import QObject
catalog = UM.i18n.i18nCatalog("cura")
## This action allows for certain settings that are "machine only") to be modified.
# It automatically detects machine definitions that it knows how to change and attaches itself to those.
class MachineSettingsAction(MachineAction):
def __init__(self, parent: Optional["QObject"] = None) -> None:
super().__init__("MachineSettingsAction", catalog.i18nc("@action", "Machine Settings"))
self._qml_url = "MachineSettingsAction.qml"
from cura.CuraApplication import CuraApplication
self._application = CuraApplication.getInstance()
from cura.Settings.CuraContainerStack import _ContainerIndexes
self._store_container_index = _ContainerIndexes.DefinitionChanges
self._container_registry = ContainerRegistry.getInstance()
self._container_registry.containerAdded.connect(self._onContainerAdded)
# The machine settings dialog blocks auto-slicing when it's shown, and re-enables it when it's finished.
self._backend = self._application.getBackend()
self.onFinished.connect(self._onFinished)
# Which container index in a stack to store machine setting changes.
@pyqtProperty(int, constant = True)
def storeContainerIndex(self) -> int:
return self._store_container_index
def _onContainerAdded(self, container):
# Add this action as a supported action to all machine definitions
if isinstance(container, DefinitionContainer) and container.getMetaDataEntry("type") == "machine":
self._application.getMachineActionManager().addSupportedAction(container.getId(), self.getKey())
def _reset(self):
global_stack = self._application.getMachineManager().activeMachine
if not global_stack:
return
# Make sure there is a definition_changes container to store the machine settings
definition_changes_id = global_stack.definitionChanges.getId()
if isEmptyContainer(definition_changes_id):
CuraStackBuilder.createDefinitionChangesContainer(global_stack,
global_stack.getName() + "_settings")
# Disable auto-slicing while the MachineAction is showing
if self._backend: # This sometimes triggers before backend is loaded.
self._backend.disableTimer()
def _onFinished(self):
# Restore auto-slicing when the machine action is dismissed
if self._backend and self._backend.determineAutoSlicing():
self._backend.enableTimer()
self._backend.tickle()
@pyqtSlot(int)
def setMachineExtruderCount(self, extruder_count: int) -> None:
# Note: this method was in this class before, but since it's quite generic and other plugins also need it
# it was moved to the machine manager instead. Now this method just calls the machine manager.
self._application.getMachineManager().setActiveMachineExtruderCount(extruder_count)
@pyqtSlot()
def forceUpdate(self) -> None:
# Force rebuilding the build volume by reloading the global container stack.
# This is a bit of a hack, but it seems quick enough.
self._application.getMachineManager().globalContainerChanged.emit()
@pyqtSlot()
def updateHasMaterialsMetadata(self) -> None:
global_stack = self._application.getMachineManager().activeMachine
# Updates the has_materials metadata flag after switching gcode flavor
if not global_stack:
return
definition = global_stack.getDefinition()
if definition.getProperty("machine_gcode_flavor", "value") != "UltiGCode" or definition.getMetaDataEntry("has_materials", False):
# In other words: only continue for the UM2 (extended), but not for the UM2+
return
machine_manager = self._application.getMachineManager()
material_manager = self._application.getMaterialManager()
extruder_positions = list(global_stack.extruders.keys())
has_materials = global_stack.getProperty("machine_gcode_flavor", "value") != "UltiGCode"
material_node = None
if has_materials:
global_stack.setMetaDataEntry("has_materials", True)
else:
# The metadata entry is stored in an ini, and ini files are parsed as strings only.
# Because any non-empty string evaluates to a boolean True, we have to remove the entry to make it False.
if "has_materials" in global_stack.getMetaData():
global_stack.removeMetaDataEntry("has_materials")
# set materials
for position in extruder_positions:
if has_materials:
material_node = material_manager.getDefaultMaterial(global_stack, position, None)
machine_manager.setMaterial(position, material_node)
self._application.globalContainerStackChanged.emit()
@pyqtSlot(int)
def updateMaterialForDiameter(self, extruder_position: int) -> None:
# Updates the material container to a material that matches the material diameter set for the printer
self._application.getMachineManager().updateMaterialWithVariant(str(extruder_position))
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